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    1. A wire becomes a transmission line. A bend becomes a reflector. Two parallel traces become coupled antennas. The geometry is the circuit.

      这一论断深刻揭示了射频设计的核心本质。在低频下,拓扑连接是关键;但在射频领域,物理几何形状直接决定了电磁行为。这打破了传统电路设计的直觉,指明了为什么传统基于拓扑的思路在射频领域会失效,物理结构本身就是电路的逻辑。